5
Before you get started, please confirm you have turn off the heating system.
Note! You are working with mains voltage, so protect yourself. Please
double check whether the system is off by adjusting the temperature
through your old thermostat.
Installation Guide
3
Breaker box
Switch
Warning!
• High voltage! The PCT512 thermostat must be installed and serviced
only by a qualified electrical personnel.
• Do not touch the terminals of the device during testing.
• Make sure that the power supply is off before connecting or
disconnecting it.
• Always use a phase or voltage tester to confirm power is off.
Failure to follow these instructions will result in death or serious injury.